@article{MZM_1969_5_1_a2,
     author = {V. T. Martynyuk},
     title = {Approximations by {V.\,A.~Steklov} functions in {Hausdorff} metric},
     journal = {Matemati\v{c}eskie zametki},
     pages = {21--30},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_1_a2/}
}